Home / 19,655.44-27,118.28-11,270.48

Finding the Fourth Proportional to 19,655.44, 27,118.28 and 11,270.48

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Solution

The fourth proportional to 19,655.44, 27,118.28 and 11,270.48 is: 15,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.44 : 27,118.28 = 11,270.48 : x
  2. Step 2: Convert to fraction form
    19,655.44/27,118.28 = 11,270.48/x
  3. Step 3: Cross multiply
    19,655.44x = 27,118.28 × 11,270.48
  4. Step 4: Simplify right side
    19,655.44x = 305,636,032.37
  5. Step 5: Solve for x
    x = 305,636,032.37/19,655.44
  6. Step 6: Final answer
    x = 15,549.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.